dlls/msvideo/drawdib.c

   1 /*
   2  * Copyright 2000 Bradley Baetz
   3  *
   4  * Fixme: Some flags are ignored
   5  *
   6  * Handle palettes
   7  */
   8
   9 #include <string.h>
  10 #include "windef.h"
  11 #include "winbase.h"
  12 #include "wingdi.h"
  13 #include "winuser.h"
  14 #include "wine/winbase16.h"
  15 #include "debugtools.h"
  16 #include "vfw.h"
  17 #include "vfw16.h"
  18 #include "windef.h"
  19
  20 DEFAULT_DEBUG_CHANNEL(msvideo);
  21
  22 typedef struct {
  23         HDC hdc;
  24         INT dxDst;
  25         INT dyDst;
  26         LPBITMAPINFOHEADER lpbi;
  27         INT dxSrc;
  28         INT dySrc;
  29         HPALETTE hpal;                          /* Palette to use for the DIB */
  30         BOOL begun;                                     /* DrawDibBegin has been called */
  31         LPBITMAPINFOHEADER lpbiOut;     /* Output format */
  32         HIC hic;                                        /* HIC for decompression */
  33         HDC hMemDC;                                     /* DC for buffering */
  34         HBITMAP hOldDib;                        /* Original Dib */
  35         HBITMAP hDib;                           /* DibSection */
  36         LPVOID lpvbits;                         /* Buffer for holding decompressed dib */
  37 } WINE_HDD;
  38
  39 /***********************************************************************
  40  *              DrawDibOpen             [MSVFW32.10]
  41  */
  42 HDRAWDIB VFWAPI DrawDibOpen(void) {
  43         HDRAWDIB hdd;
  44
  45         TRACE("(void)\n");
  46         hdd = GlobalAlloc16(GHND,sizeof(WINE_HDD));
  47         TRACE("=> %d\n",hdd);
  48         return hdd;
  49 }
  50
  51 /***********************************************************************
  52  *              DrawDibOpen             [MSVIDEO.102]
  53  */
  54 HDRAWDIB16 VFWAPI DrawDibOpen16(void) {
  55         return (HDRAWDIB16)DrawDibOpen();
  56 }
  57
  58 /***********************************************************************
  59  *              DrawDibClose            [MSVFW32.5]
  60  */
  61 BOOL VFWAPI DrawDibClose(HDRAWDIB hdd) {
  62         WINE_HDD *whdd = GlobalLock16(hdd);
  63
  64         TRACE("(0x%08lx)\n",(DWORD)hdd);
  65
  66         if (!whdd)
  67                 return FALSE;
  68
  69         if (whdd->begun)
  70                 DrawDibEnd(hdd);
  71
  72         GlobalUnlock16(hdd);
  73         GlobalFree16(hdd);
  74         return TRUE;
  75 }
  76
  77 /***********************************************************************
  78  *              DrawDibClose            [MSVIDEO.103]
  79  */
  80 BOOL16 VFWAPI DrawDibClose16(HDRAWDIB16 hdd) {
  81         return DrawDibClose(hdd);
  82 }
  83
  84 /***********************************************************************
  85  *              DrawDibEnd              [MSVFW32.7]
  86  */
  87 BOOL VFWAPI DrawDibEnd(HDRAWDIB hdd) {
  88         BOOL ret = TRUE;
  89         WINE_HDD *whdd = GlobalLock16(hdd);
  90
  91         TRACE("(0x%08lx)\n",(DWORD)hdd);
  92
  93         whdd->hpal = 0; /* Do not free this */
  94         whdd->hdc = 0;
  95         if (whdd->lpbi) {
  96                 HeapFree(GetProcessHeap(),0,whdd->lpbi);
  97                 whdd->lpbi = NULL;
  98         }
  99         if (whdd->lpbiOut) {
 100                 HeapFree(GetProcessHeap(),0,whdd->lpbiOut);
 101                 whdd->lpbiOut = NULL;
 102         }
 103
 104         whdd->begun = FALSE;
 105
 106         /*if (whdd->lpvbits)
 107           HeapFree(GetProcessHeap(),0,whdd->lpvbuf);*/
 108
 109         if (whdd->hMemDC) {
 110                 SelectObject(whdd->hMemDC,whdd->hOldDib);
 111                 DeleteDC(whdd->hMemDC);
 112         }
 113
 114         if (whdd->hDib)
 115                 DeleteObject(whdd->hDib);
 116
 117         if (whdd->hic) {
 118                 ICDecompressEnd(whdd->hic);
 119                 ICClose(whdd->hic);
 120         }
 121
 122         whdd->lpvbits = NULL;
 123
 124         GlobalUnlock16(hdd);
 125         return ret;
 126 }
 127
 128 /***********************************************************************
 129  *              DrawDibEnd              [MSVIDEO.105]
 130  */
 131 BOOL16 VFWAPI DrawDibEnd16(HDRAWDIB16 hdd) {
 132         return DrawDibEnd(hdd);
 133 }
 134
 135 /***********************************************************************
 136  *              DrawDibBegin            [MSVFW32.3]
 137  */
 138 BOOL VFWAPI DrawDibBegin(HDRAWDIB hdd,
 139                                                  HDC      hdc,
 140                                                  INT      dxDst,
 141                                                  INT      dyDst,
 142                                                  LPBITMAPINFOHEADER lpbi,
 143                                                  INT      dxSrc,
 144                                                  INT      dySrc,
 145                                                  UINT     wFlags) {
 146         BOOL ret = TRUE;
 147         WINE_HDD *whdd;
 148
 149         TRACE("(%d,0x%lx,%d,%d,%p,%d,%d,0x%08lx)\n",
 150                 hdd,(DWORD)hdc,dxDst,dyDst,lpbi,dxSrc,dySrc,(DWORD)wFlags
 151         );
 152         TRACE("lpbi: %ld,%ld/%ld,%d,%d,%ld,%ld,%ld,%ld,%ld,%ld\n",
 153                   lpbi->biSize, lpbi->biWidth, lpbi->biHeight, lpbi->biPlanes,
 154                   lpbi->biBitCount, lpbi->biCompression, lpbi->biSizeImage,
 155                   lpbi->biXPelsPerMeter, lpbi->biYPelsPerMeter, lpbi->biClrUsed,
 156                   lpbi->biClrImportant);
 157
 158         if (wFlags & ~(DDF_BUFFER))
 159                 FIXME("wFlags == 0x%08x not handled\n", wFlags & ~(DDF_BUFFER));
 160
 161         whdd = (WINE_HDD*)GlobalLock16(hdd);
 162         if (!whdd) return FALSE;
 163
 164         if (whdd->begun)
 165                 DrawDibEnd(hdd);
 166
 167         if (lpbi->biCompression) {
 168                 DWORD size = 0;
 169
 170                 whdd->hic = ICOpen(ICTYPE_VIDEO,lpbi->biCompression,ICMODE_DECOMPRESS);
 171                 if (!whdd->hic) {
 172                         WARN("Could not open IC. biCompression == 0x%08lx\n",lpbi->biCompression);
 173                         ret = FALSE;
 174                 }
 175
 176                 if (ret) {
 177                         size = ICDecompressGetFormat(whdd->hic,lpbi,NULL);
 178                         if (size == ICERR_UNSUPPORTED) {
 179                                 WARN("Codec doesn't support GetFormat, giving up.\n");
 180                                 ret = FALSE;
 181                         }
 182                 }
 183
 184                 if (ret) {
 185                         whdd->lpbiOut = HeapAlloc(GetProcessHeap(),0,size);
 186
 187                         if (ICDecompressGetFormat(whdd->hic,lpbi,whdd->lpbiOut) != ICERR_OK)
 188                                 ret = FALSE;
 189                 }
 190
 191                 if (ret) {
 192                         /* FIXME: Use Ex functions if available? */
 193                         if (ICDecompressBegin(whdd->hic,lpbi,whdd->lpbiOut) != ICERR_OK)
 194                                 ret = FALSE;
 195
 196                         TRACE("biSizeImage == %ld\n",whdd->lpbiOut->biSizeImage);
 197                         TRACE("biCompression == %ld\n",whdd->lpbiOut->biCompression);
 198                         TRACE("biBitCount == %d\n",whdd->lpbiOut->biBitCount);
 199                 }
 200         } else {
 201                 DWORD dwSize;
 202                 /* No compression */
 203                 TRACE("Not compressed!\n");
 204                 dwSize = lpbi->biSize + lpbi->biClrUsed*sizeof(RGBQUAD);
 205                 whdd->lpbiOut = HeapAlloc(GetProcessHeap(),0,dwSize);
 206                 memcpy(whdd->lpbiOut,lpbi,dwSize);
 207         }
 208
 209         if (ret) {
 210                 /*whdd->lpvbuf = HeapAlloc(GetProcessHeap(),0,whdd->lpbiOut->biSizeImage);*/
 211
 212                 whdd->hMemDC = CreateCompatibleDC(hdc);
 213                 TRACE("Creating: %ld,%p\n",whdd->lpbiOut->biSize,whdd->lpvbits);
 214                 whdd->hDib = CreateDIBSection(whdd->hMemDC,(BITMAPINFO *)whdd->lpbiOut,DIB_RGB_COLORS,&(whdd->lpvbits),0,0);
 215                 if (!whdd->hDib) {
 216                         TRACE("Error: %ld\n",GetLastError());
 217                 }
 218                 TRACE("Created: %d,%p\n",whdd->hDib,whdd->lpvbits);
 219                 whdd->hOldDib = SelectObject(whdd->hMemDC,whdd->hDib);
 220         }
 221
 222         if (ret) {
 223                 whdd->hdc = hdc;
 224                 whdd->dxDst = dxDst;
 225                 whdd->dyDst = dyDst;
 226                 whdd->lpbi = HeapAlloc(GetProcessHeap(),0,lpbi->biSize);
 227                 memcpy(whdd->lpbi,lpbi,lpbi->biSize);
 228                 whdd->dxSrc = dxSrc;
 229                 whdd->dySrc = dySrc;
 230                 whdd->begun = TRUE;
 231                 whdd->hpal = 0;
 232         } else {
 233                 if (whdd->hic)
 234                         ICClose(whdd->hic);
 235                 if (whdd->lpbiOut) {
 236                         HeapFree(GetProcessHeap(),0,whdd->lpbiOut);
 237                         whdd->lpbiOut = NULL;
 238                 }
 239         }
 240
 241         GlobalUnlock16(hdd);
 242
 243         return ret;
 244 }
 245
 246 /************************************************************************
 247  *              DrawDibBegin            [MSVIDEO.104]
 248  */
 249 BOOL16 VFWAPI DrawDibBegin16(HDRAWDIB16 hdd,
 250                                                    HDC16      hdc,
 251                                                    INT16      dxDst,
 252                                                    INT16      dyDst,
 253                                                    LPBITMAPINFOHEADER lpbi,
 254                                                    INT16      dxSrc,
 255                                                    INT16      dySrc,
 256                                                    UINT16     wFlags) {
 257         return DrawDibBegin(hdd,hdc,dxDst,dyDst,lpbi,dxSrc,dySrc,wFlags);
 258 }
 259
 260 /**********************************************************************
 261  *              DrawDibDraw             [MSVFW32.6]
 262  */
 263 BOOL VFWAPI DrawDibDraw(HDRAWDIB hdd, HDC hdc,
 264         INT xDst, INT yDst, INT dxDst, INT dyDst,
 265         LPBITMAPINFOHEADER lpbi,
 266         LPVOID lpBits,
 267         INT xSrc, INT ySrc, INT dxSrc, INT dySrc,
 268         UINT wFlags
 269 ) {
 270         WINE_HDD *whdd;
 271         BOOL ret = TRUE;
 272
 273         TRACE("(%d,0x%lx,%d,%d,%d,%d,%p,%p,%d,%d,%d,%d,0x%08lx)\n",
 274                   hdd,(DWORD)hdc,xDst,yDst,dxDst,dyDst,lpbi,lpBits,xSrc,ySrc,dxSrc,dySrc,(DWORD)wFlags
 275         );
 276
 277         if (wFlags & ~(DDF_SAME_HDC | DDF_SAME_DRAW | DDF_NOTKEYFRAME |
 278                                    DDF_UPDATE | DDF_DONTDRAW))
 279                 FIXME("wFlags == 0x%08lx not handled\n",(DWORD)wFlags);
 280
 281         if (!lpBits) {
 282                 /* Undocumented? */
 283                 lpBits = (LPSTR)lpbi + (WORD)(lpbi->biSize) + (WORD)(lpbi->biClrUsed*sizeof(RGBQUAD));
 284         }
 285
 286         whdd = GlobalLock16(hdd);
 287
 288 #define CHANGED(x) (whdd->x != x)
 289
 290         if ((!whdd->begun) || (!(wFlags & DDF_SAME_HDC) && CHANGED(hdc)) || (!(wFlags & DDF_SAME_DRAW) &&
 291                  (CHANGED(lpbi) || CHANGED(dxSrc) || CHANGED(dySrc) || CHANGED(dxDst) || CHANGED(dyDst)))) {
 292                 TRACE("Something changed!\n");
 293                 ret = DrawDibBegin(hdd,hdc,dxDst,dyDst,lpbi,dxSrc,dySrc,0);
 294         }
 295
 296 #undef CHANGED
 297
 298         if ((dxDst == -1) && (dyDst == -1)) {
 299                 dxDst = dxSrc;
 300                 dyDst = dySrc;
 301         }
 302
 303         if (!(wFlags & DDF_UPDATE)) {
 304             /* biSizeImage may be set to 0 for BI_RGB (uncompressed) bitmaps */
 305             if ((lpbi->biCompression == BI_RGB) && (lpbi->biSizeImage == 0))
 306                     lpbi->biSizeImage = ((lpbi->biWidth * lpbi->biBitCount + 31) / 32) * 4 * lpbi->biHeight;
 307
 308                 if (lpbi->biCompression) {
 309                     DWORD flags = 0;
 310
 311                         TRACE("Compression == 0x%08lx\n",lpbi->biCompression);
 312
 313                         if (wFlags & DDF_NOTKEYFRAME)
 314                             flags |= ICDECOMPRESS_NOTKEYFRAME;
 315
 316                         ICDecompress(whdd->hic,flags,lpbi,lpBits,whdd->lpbiOut,whdd->lpvbits);
 317                 } else {
 318                     memcpy(whdd->lpvbits,lpBits,lpbi->biSizeImage);
 319                 }
 320         }
 321         if (!(wFlags & DDF_DONTDRAW) && whdd->hpal)
 322             SelectPalette(hdc,whdd->hpal,FALSE);
 323
 324         if (!(StretchBlt(whdd->hdc,xDst,yDst,dxDst,dyDst,whdd->hMemDC,xSrc,ySrc,dxSrc,dySrc,SRCCOPY)))
 325             ret = FALSE;
 326
 327         GlobalUnlock16(hdd);
 328         return ret;
 329 }
 330
 331 /**********************************************************************
 332  *              DrawDibDraw             [MSVIDEO.106]
 333  */
 334 BOOL16 VFWAPI DrawDibDraw16(HDRAWDIB16 hdd,
 335                                                   HDC16 hdc,
 336                                                   INT16 xDst,
 337                                                   INT16 yDst,
 338                                                   INT16 dxDst,
 339                                                   INT16 dyDst,
 340                                                   LPBITMAPINFOHEADER lpbi,
 341                                                   LPVOID lpBits,
 342                                                   INT16 xSrc,
 343                                                   INT16 ySrc,
 344                                                   INT16 dxSrc,
 345                                                   INT16 dySrc,
 346                                                   UINT16 wFlags) {
 347         return DrawDibDraw(hdd,hdc,xDst,yDst,dxDst,dyDst,lpbi,lpBits,xSrc,ySrc,dxSrc,dySrc,wFlags);
 348 }
 349
 350 /*************************************************************************
 351  *              DrawDibStart            [MSVFW32.14]
 352  */
 353 BOOL VFWAPI DrawDibStart(HDRAWDIB hdd, DWORD rate) {
 354         FIXME("(0x%08lx,%ld), stub\n",(DWORD)hdd,rate);
 355         return TRUE;
 356 }
 357
 358 /*************************************************************************
 359  *              DrawDibStart            [MSVIDEO.118]
 360  */
 361 BOOL16 VFWAPI DrawDibStart16(HDRAWDIB16 hdd, DWORD rate) {
 362         return DrawDibStart(hdd,rate);
 363 }
 364
 365 /*************************************************************************
 366  *              DrawDibStop             [MSVFW32.15]
 367  */
 368 BOOL VFWAPI DrawDibStop(HDRAWDIB hdd) {
 369         FIXME("(0x%08lx), stub\n",(DWORD)hdd);
 370         return TRUE;
 371 }
 372
 373 /*************************************************************************
 374  *              DrawDibStop             [MSVIDEO.119]
 375  */
 376 BOOL16 DrawDibStop16(HDRAWDIB16 hdd) {
 377         return DrawDibStop(hdd);
 378 }
 379
 380 /***********************************************************************
 381  *              DrawDibSetPalette       [MSVFW32.13]
 382  */
 383 BOOL VFWAPI DrawDibSetPalette(HDRAWDIB hdd, HPALETTE hpal) {
 384         WINE_HDD *whdd;
 385
 386         TRACE("(0x%08lx,0x%08lx)\n",(DWORD)hdd,(DWORD)hpal);
 387
 388         whdd = GlobalLock16(hdd);
 389         whdd->hpal = hpal;
 390
 391         if (whdd->begun) {
 392                 SelectPalette(whdd->hdc,hpal,0);
 393                 RealizePalette(whdd->hdc);
 394         }
 395         GlobalUnlock16(hdd);
 396         return TRUE;
 397 }
 398
 399 /***********************************************************************
 400  *              DrawDibSetPalette       [MSVIDEO.110]
 401  */
 402 BOOL16 VFWAPI DrawDibSetPalette16(HDRAWDIB16 hdd, HPALETTE16 hpal) {
 403         return DrawDibSetPalette(hdd,hpal);
 404 }
 405
 406 /***********************************************************************
 407  *              DrawDibGetPalette       [MSVFW32.9]
 408  */
 409 HPALETTE VFWAPI DrawDibGetPalette(HDRAWDIB hdd) {
 410         WINE_HDD *whdd;
 411         HPALETTE ret;
 412
 413         TRACE("(0x%08lx)\n",(DWORD)hdd);
 414
 415         whdd = GlobalLock16(hdd);
 416         ret = whdd->hpal;
 417         GlobalUnlock16(hdd);
 418         return ret;
 419 }
 420
 421 /***********************************************************************
 422  *              DrawDibGetPalette       [MSVIDEO.108]]
 423  */
 424 HPALETTE16 VFWAPI DrawDibGetPalette16(HDRAWDIB16 hdd) {
 425         return (HPALETTE16)DrawDibGetPalette(hdd);
 426 }
 427
 428 /***********************************************************************
 429  *              DrawDibRealize          [MSVFW32.12]
 430  */
 431 UINT VFWAPI DrawDibRealize(HDRAWDIB hdd, HDC hdc, BOOL fBackground) {
 432         WINE_HDD *whdd;
 433         HPALETTE oldPal;
 434         UINT ret = 0;
 435
 436         FIXME("(%d,0x%08lx,%d), stub\n",hdd,(DWORD)hdc,fBackground);
 437
 438         whdd = GlobalLock16(hdd);
 439
 440         if (!whdd || !(whdd->begun)) {
 441                 ret = 0;
 442                 goto out;
 443         }
 444
 445         if (!whdd->hpal)
 446                 whdd->hpal = CreateHalftonePalette(hdc);
 447
 448         oldPal = SelectPalette(hdc,whdd->hpal,fBackground);
 449         ret = RealizePalette(hdc);
 450
 451  out:
 452         GlobalUnlock16(hdd);
 453
 454         TRACE("=> %u\n",ret);
 455         return ret;
 456 }
 457
 458 /***********************************************************************
 459  *              DrawDibRealize          [MSVIDEO.112]
 460  */
 461 UINT16 VFWAPI DrawDibRealize16(HDRAWDIB16 hdd, HDC16 hdc, BOOL16 fBackground) {
 462         return (UINT16)DrawDibRealize(hdd,hdc,fBackground);
 463 }